Pablo Ruiz Picasso (October 25, 1881 - April 8, 1973) was a Spanish painter and sculptor. One of the most recognized figures in 20th century art, he is best known as the co-founder, along with Georges Braque, of cubism. Picasso's work is often categorized into periods: the Blue Period (1901-1904), the Rose Period (1905-1907), the African-influenced Period (1908-1909), Analytic Cubism (1909-1912), and Synthetic Cubism (1912-1919).